US Bridges

Little Blue Pkwy S over Is 70

Fair

Jackson County, Missouri · S 28 T 49 N R 31 W · Structure no. 4398

Built
1997
28 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
309 ft
2 main spans
Daily traffic
17,993
2024 count
Owner
State
State Highway Agency

About this bridge

Little Blue Pkwy S over Is 70 is a steel continuous stringer/multi-beam or girder carrying Little Blue Pkwy S over Is 70 in Jackson County, Missouri. It was built in 1997, so it is 28 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,993 vehicles a day, roughly 5% of them trucks, projected to reach 24,291 by 2044. The structure is 309 ft (94.2 m) long and 113 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLittle Blue Pkwy S
CrossesIs 70
LocationS 28 T 49 N R 31 W
RouteCity Street 0
Coordinates39.03894, -94.34111
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length309 ft (94.2 m)
Longest span139 ft (42.3 m)
Deck width113 ft (34.4 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,993 (2024)
Projected traffic24,291 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Little Blue Pkwy S over Is 70 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Little Blue Pkwy S over Is 70 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Little Blue Pkwy S over Is 70 carry?

About 17,993 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Little Blue Pkwy S over Is 70?

The structure is 309 ft (94.2 m) long with a longest span of 139 ft (42.3 m) and a deck 113 ft wide.

Who owns Little Blue Pkwy S over Is 70?

It is owned by the State Highway Agency.